Run normally or chug chug really rough? Normal smooth idle equals tenspeed in on to something....a rough chug~hiss~ maybe even a backfire, the The Judge is closer to what's happenin'. "Dieseling" happens when the engine runs from being ignited by heat and compression, not the spark plug like a diesel engine is wont to do

Do they diesel anymore?...or am I stuck in the mindset of mechanical
fuel pumps...guess power to the fuel pump could be cut, and the
remaining fuel still under pressure in the loop could keep it running for two
heartbeats, but no more- a mechanical pump wouldn't care and would let
it diesel on...

No, they don't. I didn't think of that. I too was stuck in the 70's when I had my GTO that would do that, with 389 'tri'power' that I unhooked the two end 2bbl carbs to save gas when it skyrocketed up to 48 cents a gallon in '73.

I just had that tune "would you like to ride in my beautiful balloon?" going
through my head all morning...now this hasn't been in popular culture for
30 years...or more. Kinda represents the power of a well constructed
melody~....guess one loses his mind or rather de-contructs the mind one
little piece at a time~

I love Lincolns. Me grandpappy had one, when I went down to Florida
when he was still alive in '91 his Lincoln had a coolant leak and a
terrible crunch of what sounded like u-joints...tried to tell him, but the
last time I criticized their Ford Pinto as the design being "dated", was
admonished for my lack of tact and frankly was no expert and should
have just shut up about it...now both are dead, the cars are gone, but
not the memory of the Ford Pinto Wagon I was nasty to my
grandparents about~ wanted them to save that Lincoln for me but was
donated to charity...still fascinated by luxury cars~

when you turn the key off, the car run good just like the key was still on? sounds like key switch or ect parts. they have to pull the 40amp fuse to get it to stop! any other idels??? short of buying a new switch!

The switch and the key are two separate entities, the key has detents
that put it in acc, on, or start..not too sure. but the key is just a guide
to the shaft which turns less than ninety degrees....see now I'm gonna
have to dig to find out if the detents are on the key part or on the
switch part...good one for puttin' my head back into this thing doukni,
you are getting ten from me for gettin' me studyin' on this one again~

For the past couple of months, whenever I turn the A/C on, and drive normally, I feel the transmission shift into 5th gear (at about 45-50) followed immediately by a "chugging" or series of pauses. T...

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